189 Albertbridge Road, Belfast, County Antrim, BT5 4PW

189 Albertbridge Road is a two-and-a-half-storey, two-bay end-of-terrace Victorian townhouse built around 1865, situated at the junction of the Albertbridge Road and Templemore Avenue in east Belfast, opposite Mountpottinger Methodist Church. It is the largest and best-preserved building in its terrace, and one of the earliest surviving terraced houses in the townland of Ballymacarrett. The only other terraced dwellings in the area that predate it are Nos. 32–36 The Mount in Mountpottinger, which date from around 1860. The building was listed in 1991 and ceased operating as a medical centre in 2012.

The building sits on an oblique plan with two rear returns. Its pitched roof is covered in natural slate with clay ridge tiles, and it has red brick chimneys with terracotta pots. Rainwater goods are largely ogee-moulded cast iron, with some uPVC replacements. The external walls are finished in ruled-and-lined painted stucco render with a projected plinth course, rusticated quoins, and moulded string and eaves courses. The windows are timber casements with coloured decorative came-lights to the upper panes, set within moulded surrounds on masonry cills, and are thought to date from the early 20th century, probably around 1912, representing a change in architectural style from the original Victorian detailing.

The principal elevation faces north and is asymmetrically arranged. The entrance is positioned to the right, with a single first-floor window above it. To the left is a lead-roofed, two-storey canted bay. A continuous string course runs between the ground and first floors. At the top of the elevation is a wall-headed gabled dormer with open pediment mouldings, containing paired windows of diminished height, surmounted by a crest bearing the initials "J.D.W." and dated "1912". The entrance itself is set within a shallow elliptical arch with long-and-short stucco surrounds and a projected keyblock; the door and sidelights are replacements, but the decorative leaded overlight survives, reading "Dr J.F. Breach". The left elevation is abutted by the adjoining No. 191 Albertbridge Road.

The right gable is symmetrically arranged, with two ground-floor windows, two oriel bays at first-floor level, and two diminished second-floor windows embraced by open pediment-style cornice mouldings.

The rear elevation is asymmetrically arranged and largely abutted by two two-storey returns. Features here include a replacement ground-floor door, a 2/2 sliding sash with horizontal glazing bars at first-floor level, a segmental-arched 2/2 sliding sash landing light to the right, a replacement casement window at second-floor level, and a modern rooflight to the rear roof pitch. The right return is gable-ended, with a single first-floor window to the gable and various windows and doors to the west cheek. The left return has a parapetted roof terrace, accessible from a second-floor door, with a single first-floor window to the south face and various windows and doors to the east cheek; the west cheek has a shallow elliptical arch entrance door, paired windows to its right at ground-floor level, and a single first-floor window with an oriel bay to its right at first-floor level.

Internally, the original layout has remained intact, though some alterations have resulted in a degree of loss of historic fabric. The 1901 Census Building Return described the house as a second-class dwelling with nine rooms, and this arrangement appears unchanged by the 1911 Census.

The building has a rich occupancy history. Valuation records place its construction in 1865 as part of Lorne Terrace (later St. Helen's Terrace). Its first recorded occupant was William John Gray, proprietor of the Ballymacarrett Coke Company, who leased the house — then valued at £22 — from a Mr. James Anderson. Gray lived there until 1871, when the value was reduced to £18 and a Mr. David Millar, a Clerk at Belfast's Custom House, took possession. Millar had vacated by 1880, when Thomas Wood, described as a Gentleman, was recorded as occupant. In 1883 the value was reduced to £15 alongside the rest of the terrace, and a Mr. D. McClear came into possession, remaining until 1897.

In 1897 the value was raised to £20 when Dr. John Dunlop Williamson M.D. came into possession, purchasing an 18-year lease from James Anderson and converting the premises into a doctor's surgery — the first such use at the address. The 1901 Census records Williamson as a 40-year-old Presbyterian General Practitioner and Belfast Councillor, living at the property with his wife Mary Isabel (aged 27) and their infant daughter; despite the surgery use, the census describes the house simply as a private dwelling. By the 1907 Belfast Street Directory, Williamson also held the title of Justice of the Peace. He continued to occupy the property until his death in February 1944, by which time he had served as Chairman of the Public Health Committee, High Sheriff of Belfast (1934–35), and Deputy Lord Mayor (1940–41). The 1935 first general revaluation of property in Northern Ireland described the building as a House and Surgery, with a value of £49. The dormer crest bearing his initials "J.D.W." and dated 1912 commemorates his long association with the property.

Following Williamson's death, the building and its surgery passed to Dr. J.F. Breach, whose name is recorded in the decorative leaded fanlight at the entrance. Breach occupied the property until at least 1990. The second general revaluation, begun in 1956, recorded the property's value at £83, subsequently reduced to £71 under the Rent and Valuation Act (1957); a successful application by Breach reduced this further, and by the end of the revaluation period in 1972 the value stood at £62.

The building is prominently located at the end of a terrace of similarly detailed but smaller Victorian dwellings, on an arterial route to the east of Belfast. It sits within a cluster of socially significant historic buildings including schools, churches, a swimming bath, and an orange hall, beyond which lies largely two- and three-storey terraced housing. Despite no longer functioning as a medical centre, the building makes a positive contribution to the local character of the area and is of considerable social importance to the local community.